function _webform_fetch_draft_sid in Webform 7.4

Same name and namespace in other branches

1. 6.3 webform.module \_webform_fetch_draft_sid()
2. 7.3 webform.module \_webform_fetch_draft_sid()

Check if current user has a draft of this webform, and return the sid.

1 call to _webform_fetch_draft_sid()

webform_node_view in ./webform.module

Implements hook_node_view().

File

./webform.module, line 3995

This module provides a simple way to create forms and questionnaires.

Code

function _webform_fetch_draft_sid($nid, $uid) {
  $q = db_select('webform_submissions')
    ->fields('webform_submissions', array(
    'sid',
  ))
    ->condition('nid', $nid)
    ->condition('uid', $uid)
    ->condition('is_draft', 1)
    ->orderBy('submitted', 'DESC');

  // Detect whether a webform draft is being edited. If so, that is the one that
  // should be returned.
  $is_webform = isset($_POST['form_id']) && stripos($_POST['form_id'], 'webform_client_form_') === 0;
  $sid_provided = !empty($_POST['details']['sid']) && is_string($_POST['details']['sid']);
  $not_finished = empty($_POST['details']['finished']);
  if ($is_webform && $sid_provided && $not_finished) {

    // Validate that the sid from $_POST belongs to the current user.
    $q
      ->condition('sid', $_POST['details']['sid']);
    $existing_sid = TRUE;
  }

  // Retrieve exisiting draft sid.
  $sid = $q
    ->execute()
    ->fetchField();

  // Allow modules to alter the initial choice of sid when there might be more
  // than one.
  if ($sid && empty($existing_sid)) {
    $context = array(
      'nid' => $nid,
      'uid' => $uid,
    );
    drupal_alter('webform_draft', $sid, $context);
  }
  return $sid;
}